httpinterpret questions

• virtual function == function pointer?
• Is it necessary that class className must be coded in className.java?
• How to fix up this problem with screen bash command?
• How do I get the substr this way in c?
• Relation between port and IP address
• Is length of ethernet header necessarily 14?
• Is extern keyword really necessary?
• What's the equivalent of new/delete of C++ in C?
• What is tagged structure initialization syntax?
• How can I throw an exception in C?

httpinterpret answers